[llvm-bugs] [Bug 42048] New: [codeview] Support Windows ARM64

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42048

            Bug ID: 42048
           Summary: [codeview] Support Windows ARM64
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: DebugInfo
          Assignee: unassignedbugs at nondot.org
          Reporter: rnk at google.com
                CC: jdevlieghere at apple.com, keith.walker at arm.com,
                    llvm-bugs at lists.llvm.org, mgrang at codeaurora.org,
                    paul_robinson at playstation.sony.com,
                    Richard.Townsend at arm.com

Users have reported that VS and windbg can't display locals with clang's debug
info, even with -O0. See https://llvm.org/pr41049 and
https://llvm.org/pr41997#c6.

To my knowledge, nobody has made any serious effort to support codeview for
AArch64. We can probably get a lot of the low-hanging fruit just by using
llvm-pdbutil to compare the symbol records that MSVC generates to what clang
generates.

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